Wood

Cards (23)

  • Wood
    Fibrous substance which composes the trunk and branches of a tree that lies between pitch and the bark
  • Xylem
    Another name for wood
  • Wood/Xylem
    • Strong material
    • Durable
    • Light in weight
    • Easy to fasten
    • Has artistic and natural beauty
  • Strength
    General term used in reference to the ability of wood to resist stresses and strain
  • Moisture
    Important factor in strength of wood
  • Weight
    Important consideration for wood
  • Hardness
    Resistance to indentation or to the saw or axe across the grain
  • Cleavability
    Resistance of wood to cleavage along the grains
  • Properties of Wood
    • Strength
    • Moisture
    • Weight
    • Hardness
    • Cleavability
    • Flexibility and toughness
    • Durability
  • Durability
    Ability to resist decay or simply the length of its life under a given condition
  • Classification of Wood
    • Mode of Growth
    • Density
    • Leaves (Needle and Broad Shaped)
    • Shades or Color of Wood
    • GRAIN (Straight, Cross, Fine and Coarse Grain)
    • Nature of the Surface (Plain, Grained and Figured or Marked)
  • Exogenous
    Outward growing trees which are the most preferred for lumbering
  • Indogenous
    Inside growing trees
  • Shades or Color of Wood
    • White
    • Yellow
    • Orange
    • Red
    • Brown
    • Black, etc.
  • Lumbering
    The term applied to the operation performed in preparing wood for commercial purposes
  • Timber
    A piece of lumber five inches or larger in its smallest dimension
  • Plank
    A wide piece of lumber from 2 to 5 inches thick
  • Board
    A piece of lumber less than 1-1/2" thick and at least 4 inches wide
  • Flitch
    A thick piece of lumber
  • Seasoning of Lumber means drying of lumber
  • Natural or Air Seasoning is considered as one of the best methods adopted in seasoning of lumber although the period involved is relatively longer than Artificial Seasoning Method.
  • Artificial Seasoning the lumber is stacked inside a drying kiln and then subjected to steam and hot air under pressure.
  • Lumber and Related Products
    1. Hardboard
    2. Particle Boards
    3. Veneer and Plywood
    ● Soft Plywood
    ● Hardwood Plywood
    ● Exterior or Marine Plywood